Answer:
Pregnant every time you see her, yet she never will give birth.
A precious fluid, thicker than water.
Within, I clean all that is bad and is old. I make juice that’s the color of gold. Should I die, a filter machine would you need assembled to replace me and beans I resemble.
Soft and fragile is my skin, I get my growth in mud. I’m dangerous as much as pretty, for if not careful, I draw blood.
I heard of a wonder, of words moth-eaten. That is a strange thing, I thought, weird. That a man's song be swallowed by a worm. His blinded sentences, his bedside stand-by rustled in the night - and the robber-guest. Not one wit the wiser. For the words he had mumbled.
What is yours but only used by others?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?